s-t段分析器st: St =Saturday. segment: n. 1.(自然形成的)段落;断片;部分;分节;段;节。 ...st segment: st段,st段,s-t段:从qrs波的末端t波的起始部coving of st segment: st段弓形上抬depressed st segment: st段压低下载手机词典可随时随地查词查翻译